[GRASSLIST:6927] Re: multiple users issue

[Ian W. Macmillan]

Alas, I have shown my ignorance once again, thanks for the clarification.

-ian

Quoting Glynn Clements <glynn at gclements.plus.com>:

>
> Ian W. Macmillan wrote:
>
> > Unfortunately you must have administrative access (root) to run grass.  I
> > haven't heard of any way around this.
>
> That definitely isn't true.
>
> However, you need to ensure that directory ownership and permissions
> are correct, e.g.:
>
> 1. A user needs to own their mapset directories; write permission
> isn't sufficient (although it isn't hard to remove this restriction if
> it's a problem).
>
> 2. To create a new mapset within a location, a user needs write
> permission on the location directory.
>
> 3. To create a new location, a user needs write permission on the
> database directory.
>
> How to achieve this depends upon how much freedom the users need.
>
> For a teaching environment where the users are students carrying out
> predetermined tasks with a supplied dataset, root can pre-create all
> of the mapset directories (one per user, plus PERMANENT) and set each
> user's directory to be owned by that user.
>
> If you need more flexibility, e.g. the users are staff, researchers or
> more advanced students, and need to be able to create new locations
> and mapsets, the database and location directories need to be at least
> group-writable so that users can create new subdirectories.
>
> --
> Glynn Clements <glynn at gclements.plus.com>
>


-----------------------------------------------------
Ian MacMillan
Geological Sciences-UCSB

"insert witticism here"